Merge pull request #438 from simi/cleanup

Remove .ruby-version, .rvmrc and Gemfile.lock.

Author: brianmario

.gitignore

@@ -13,3 +13,6 @@ vendor
 lib/mysql2/mysql2.rb
 spec/configuration.yml
 spec/my.cnf
+Gemfile.lock
+.ruby-version
+.rvmrc